19897440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41453}}^1$

素因数の和:41471

約数の個数: 48

約数和(自身を含む): 62678448

約数和(自身を除く): 42781008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 41453, 82906, 124359, 165812, 207265, 248718, 331624, 414530, 497436, 621795, 663248, 829060, 994872, 1243590, 1326496, 1658120, 1989744, 2487180, 3316240, 3979488, 4974360, 6632480, 9948720, 19897440]

約数ペア:

[(1, 19897440), (2, 9948720), (3, 6632480), (4, 4974360), (5, 3979488), (6, 3316240), (8, 2487180), (10, 1989744), (12, 1658120), (15, 1326496), (16, 1243590), (20, 994872), (24, 829060), (30, 663248), (32, 621795), (40, 497436), (48, 414530), (60, 331624), (80, 248718), (96, 207265), (120, 165812), (160, 124359), (240, 82906), (480, 41453)]